Ordering number : ENN7131
Monolithic Linear IC
LA9239T
48脳 CD-ROM Digital Servo RF IC
Overview
The LA9239T is a CD-ROM digital servo RF IC that
supports high-speed CD-ROM drive replay of up to 48脳. It
also supports RW disks by featuring an on-chip servo
VCA and gain switch.
Features
The LA9239T is an IC that features on-chip functions for
improved playability and an RF equalizer, resulting in
superior performance and a reduced need for external
components.
Functions
鈥?RF amplifier (with AGC)
鈥?RF gain amplifier (supporting CD-RW disk replay)
鈥?RF equalizer (7 modes)
鈥?RF hold function
鈥?PH/BH detection
鈥?3T extraction circuit
鈥?FE amplifier (built-in balance adjustment VCA)
鈥?TE amplifier (built-in balance adjustment VCA)
鈥?servo signal VCA circuit
鈥?APC circuit (with laser power-up function)
鈥?sleep function
Package Dimensions
unit: mm
3253-TSSOP36
[LA9239T]
9.95
36
19
0.5
1.0
0.8
(1.0)
1.2max
(0.5)
0.725
1
5.6
7.6
0.22
18
0.15
SANYO: TSSOP36
Specifications
Maximum Ratings
at Ta = 25擄C, Pins 4 and 31 = GND
Parameter
Maximum power supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
Pd max
Topr
Tstg
Conditions
Ratings
7
300
鈥?5 to +70
鈥?0 to +150
Unit
V
mW
擄C
擄C
Operating Conditions
at Ta = 25擄C
Parameter
Recommended power supply voltage
Allowable operating voltage range
Symbol
V
CC
V
CC
op
Conditions
Ratings
5
4.5 to 5.5
Unit
V
V
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft鈥檚
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
11502RM (OT) No. 7131-1/9
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